Fundamentals Of Approximation Theory
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Fundamentals of Approximation Theory
Author | : Hrushikesh Narhar Mhaskar,Devidas V. Pai |
Publsiher | : CRC Press |
Total Pages | : 580 |
Release | : 2000 |
Genre | : Mathematics |
ISBN | : 0849309395 |
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The field of approximation theory has become so vast that it intersects with every other branch of analysis and plays an increasingly important role in applications in the applied sciences and engineering. Fundamentals of Approximation Theory presents a systematic, in-depth treatment of some basic topics in approximation theory designed to emphasize the rich connections of the subject with other areas of study. With an approach that moves smoothly from the very concrete to more and more abstract levels, this text provides an outstanding blend of classical and abstract topics. The first five chapters present the core of information that readers need to begin research in this domain. The final three chapters the authors devote to special topics-splined functions, orthogonal polynomials, and best approximation in normed linear spaces- that illustrate how the core material applies in other contexts and expose readers to the use of complex analytic methods in approximation theory. Each chapter contains problems of varying difficulty, including some drawn from contemporary research. Perfect for an introductory graduate-level class, Fundamentals of Approximation Theory also contains enough advanced material to serve more specialized courses at the doctoral level and to interest scientists and engineers.
Fundamentals of Approximation Theory
Author | : H. N. Mhaskar,D. V. Pai |
Publsiher | : Unknown |
Total Pages | : 541 |
Release | : 2000 |
Genre | : Electronic Book |
ISBN | : 8173192928 |
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Approximation Theory and Methods
Author | : M. J. D. Powell |
Publsiher | : Cambridge University Press |
Total Pages | : 356 |
Release | : 1981-03-31 |
Genre | : Mathematics |
ISBN | : 0521295149 |
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Most functions that occur in mathematics cannot be used directly in computer calculations. Instead they are approximated by manageable functions such as polynomials and piecewise polynomials. The general theory of the subject and its application to polynomial approximation are classical, but piecewise polynomials have become far more useful during the last twenty years. Thus many important theoretical properties have been found recently and many new techniques for the automatic calculation of approximations to prescribed accuracy have been developed. This book gives a thorough and coherent introduction to the theory that is the basis of current approximation methods. Professor Powell describes and analyses the main techniques of calculation supplying sufficient motivation throughout the book to make it accessible to scientists and engineers who require approximation methods for practical needs. Because the book is based on a course of lectures to third-year undergraduates in mathematics at Cambridge University, sufficient attention is given to theory to make it highly suitable as a mathematical textbook at undergraduate or postgraduate level.
Convergence Estimates in Approximation Theory
Author | : Vijay Gupta,Ravi P. Agarwal |
Publsiher | : Springer Science & Business Media |
Total Pages | : 368 |
Release | : 2014-01-08 |
Genre | : Mathematics |
ISBN | : 9783319027654 |
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The study of linear positive operators is an area of mathematical studies with significant relevance to studies of computer-aided geometric design, numerical analysis, and differential equations. This book focuses on the convergence of linear positive operators in real and complex domains. The theoretical aspects of these operators have been an active area of research over the past few decades. In this volume, authors Gupta and Agarwal explore new and more efficient methods of applying this research to studies in Optimization and Analysis. The text will be of interest to upper-level students seeking an introduction to the field and to researchers developing innovative approaches.
Topics in Approximation Theory
Author | : Harold S. Shapiro |
Publsiher | : Springer |
Total Pages | : 283 |
Release | : 2006-11-15 |
Genre | : Mathematics |
ISBN | : 9783540364979 |
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Introduction To The Theory Of Weighted Polynomial Approximation
Author | : H N Mhaskar |
Publsiher | : World Scientific |
Total Pages | : 396 |
Release | : 1997-01-04 |
Genre | : Mathematics |
ISBN | : 9789814518055 |
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In this book, we have attempted to explain a variety of different techniques and ideas which have contributed to this subject in its course of successive refinements during the last 25 years. There are other books and surveys reviewing the ideas from the perspective of either potential theory or orthogonal polynomials. The main thrust of this book is to introduce the subject from an approximation theory point of view. Thus, the main motivation is to study analogues of results from classical trigonometric approximation theory, introducing other ideas as needed. It is not our objective to survey the most recent results, but merely to introduce to the readers the thought processes and ideas as they are developed.This book is intended to be self-contained, although the reader is expected to be familiar with rudimentary real and complex analysis. It will also help to have studied elementary trigonometric approximation theory, and have some exposure to orthogonal polynomials.
A Course in Approximation Theory
Author | : Elliott Ward Cheney,William Allan Light |
Publsiher | : American Mathematical Soc. |
Total Pages | : 379 |
Release | : 2009-01-13 |
Genre | : Mathematics |
ISBN | : 9780821847985 |
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This textbook is designed for graduate students in mathematics, physics, engineering, and computer science. Its purpose is to guide the reader in exploring contemporary approximation theory. The emphasis is on multi-variable approximation theory, i.e., the approximation of functions in several variables, as opposed to the classical theory of functions in one variable. Most of the topics in the book, heretofore accessible only through research papers, are treated here from the basics to the currently active research, often motivated by practical problems arising in diverse applications such as science, engineering, geophysics, and business and economics. Among these topics are projections, interpolation paradigms, positive definite functions, interpolation theorems of Schoenberg and Micchelli, tomography, artificial neural networks, wavelets, thin-plate splines, box splines, ridge functions, and convolutions. An important and valuable feature of the book is the bibliography of almost 600 items directing the reader to important books and research papers. There are 438 problems and exercises scattered through the book allowing the student reader to get a better understanding of the subject.
Theory of Approximation
Author | : N. I. Achieser |
Publsiher | : Courier Corporation |
Total Pages | : 324 |
Release | : 2013-06-05 |
Genre | : Mathematics |
ISBN | : 9780486153131 |
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A pioneer of many modern developments in approximation theory, N. I. Achieser designed this graduate-level text from the standpoint of functional analysis. The first two chapters address approximation problems in linear normalized spaces and the ideas of P. L. Tchebysheff. Chapter III examines the elements of harmonic analysis, and Chapter IV, integral transcendental functions of the exponential type. The final two chapters explore the best harmonic approximation of functions and Wiener's theorem on approximation. Professor Achieser concludes this exemplary text with an extensive section of problems and applications (elementary extremal problems, Szego's theorem, the Carathéodory-Fejér problem, and more).